Answer:
realized
Explanation:
I dont know if you had options but thats what i would say.
"Isn't" is the best option from the list in terms of completing these sentence. This is primarily because "isn't" is a contraction of the two words "is" and "not.
The the ditch could stop others from invading the town
Synecdoche - <span>They drive their keels o'er the darkling wave</span>
Alliteration - Grim and greedy, he grasped
Kenning - The whale-path
Epithet - The Ruler-of-Man
The definition it would someone that is smart